diff options
Diffstat (limited to 'third_party/libpng/pngget.c')
| -rw-r--r-- | third_party/libpng/pngget.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/third_party/libpng/pngget.c b/third_party/libpng/pngget.c index a0e90bb..4e897c6 100644 --- a/third_party/libpng/pngget.c +++ b/third_party/libpng/pngget.c @@ -1,16 +1,15 @@ /* pngget.c - retrieval of values from info struct * - * Last changed in libpng 1.2.15 January 5, 2007 + * Last changed in libpng 1.2.30 [August 15, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2007 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) */ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) png_uint_32 PNGAPI @@ -122,7 +121,7 @@ png_get_x_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_pHYs) { png_debug1(1, "in %s retrieval function\n", "png_get_x_pixels_per_meter"); - if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER) + if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER) return (0); else return (info_ptr->x_pixels_per_unit); } @@ -140,7 +139,7 @@ png_get_y_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_pHYs) { png_debug1(1, "in %s retrieval function\n", "png_get_y_pixels_per_meter"); - if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER) + if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER) return (0); else return (info_ptr->y_pixels_per_unit); } @@ -158,7 +157,7 @@ png_get_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_pHYs) { png_debug1(1, "in %s retrieval function\n", "png_get_pixels_per_meter"); - if(info_ptr->phys_unit_type != PNG_RESOLUTION_METER || + if (info_ptr->phys_unit_type != PNG_RESOLUTION_METER || info_ptr->x_pixels_per_unit != info_ptr->y_pixels_per_unit) return (0); else return (info_ptr->x_pixels_per_unit); @@ -199,7 +198,7 @@ png_get_x_offset_microns(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function\n", "png_get_x_offset_microns"); - if(info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER) + if (info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER) return (0); else return (info_ptr->x_offset); } @@ -217,7 +216,7 @@ png_get_y_offset_microns(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function\n", "png_get_y_offset_microns"); - if(info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER) + if (info_ptr->offset_unit_type != PNG_OFFSET_MICROMETER) return (0); else return (info_ptr->y_offset); } @@ -235,7 +234,7 @@ png_get_x_offset_pixels(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function\n", "png_get_x_offset_microns"); - if(info_ptr->offset_unit_type != PNG_OFFSET_PIXEL) + if (info_ptr->offset_unit_type != PNG_OFFSET_PIXEL) return (0); else return (info_ptr->x_offset); } @@ -253,7 +252,7 @@ png_get_y_offset_pixels(png_structp png_ptr, png_infop info_ptr) if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function\n", "png_get_y_offset_microns"); - if(info_ptr->offset_unit_type != PNG_OFFSET_PIXEL) + if (info_ptr->offset_unit_type != PNG_OFFSET_PIXEL) return (0); else return (info_ptr->y_offset); } @@ -323,7 +322,7 @@ png_get_pHYs_dpi(png_structp png_ptr, png_infop info_ptr, { *unit_type = (int)info_ptr->phys_unit_type; retval |= PNG_INFO_pHYs; - if(*unit_type == 1) + if (*unit_type == 1) { if (res_x != NULL) *res_x = (png_uint_32)(*res_x * .0254 + .50); if (res_y != NULL) *res_y = (png_uint_32)(*res_y * .0254 + .50); @@ -784,10 +783,10 @@ png_get_tRNS(png_structp png_ptr, png_infop info_ptr, *trans_values = &(info_ptr->trans_values); retval |= PNG_INFO_tRNS; } - if(trans != NULL) + if (trans != NULL) *trans = NULL; } - if(num_trans != NULL) + if (num_trans != NULL) { *num_trans = info_ptr->num_trans; retval |= PNG_INFO_tRNS; |